Home / 8,547.39-12,821.67-5,042.52

Finding the Fourth Proportional to 8,547.39, 12,821.67 and 5,042.52

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Solution

The fourth proportional to 8,547.39, 12,821.67 and 5,042.52 is: 7,564.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547.39 : 12,821.67 = 5,042.52 : x
  2. Step 2: Convert to fraction form
    8,547.39/12,821.67 = 5,042.52/x
  3. Step 3: Cross multiply
    8,547.39x = 12,821.67 × 5,042.52
  4. Step 4: Simplify right side
    8,547.39x = 64,653,527.41
  5. Step 5: Solve for x
    x = 64,653,527.41/8,547.39
  6. Step 6: Final answer
    x = 7,564.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.